Where to Stay: Mega-hotel Mandalay Bay (often referred to as “Mandalay Gay,” because of its popularity with gay couples) has one of the biggest (we’re talking 11 acres!) and best pool complexes on the Strip. Lounge poolside on a cushioned chaise at the adults-only Moorea Beach Club, where European sunbathing (that’s, ahem, topless) is de rigueur, thanks to frosted glass panes (from $145, MandalayBay.com).